CA1166411A - Charge modified microporous membrane, process for charge modifying said membrane, and process for filtration of fluids - Google Patents
Charge modified microporous membrane, process for charge modifying said membrane, and process for filtration of fluidsInfo
- Publication number
- CA1166411A CA1166411A CA000404133A CA404133A CA1166411A CA 1166411 A CA1166411 A CA 1166411A CA 000404133 A CA000404133 A CA 000404133A CA 404133 A CA404133 A CA 404133A CA 1166411 A CA1166411 A CA 1166411A
- Authority
- CA
- Canada
- Prior art keywords
- membrane
- polyepoxide
- charge modifying
- charge
- modifying agent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 146
- 230000000051 modifying effect Effects 0.000 title claims abstract description 76
- 238000000034 method Methods 0.000 title claims abstract description 63
- 230000008569 process Effects 0.000 title claims abstract description 55
- 239000012982 microporous membrane Substances 0.000 title claims abstract description 54
- 238000001914 filtration Methods 0.000 title claims abstract description 21
- 239000012530 fluid Substances 0.000 title claims abstract description 10
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 57
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 229910001868 water Inorganic materials 0.000 claims abstract description 44
- 125000002091 cationic group Chemical group 0.000 claims abstract description 32
- 239000007864 aqueous solution Substances 0.000 claims abstract description 28
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 27
- 239000000243 solution Substances 0.000 claims abstract description 22
- 229920000768 polyamine Polymers 0.000 claims abstract description 15
- 229920001778 nylon Polymers 0.000 claims abstract description 14
- 239000004677 Nylon Substances 0.000 claims abstract description 13
- FAGUFWYHJQFNRV-UHFFFAOYSA-N tetraethylenepentamine Chemical compound NCCNCCNCCNCCN FAGUFWYHJQFNRV-UHFFFAOYSA-N 0.000 claims abstract description 11
- 125000001931 aliphatic group Chemical group 0.000 claims abstract description 7
- SHKUUQIDMUMQQK-UHFFFAOYSA-N 2-[4-(oxiran-2-ylmethoxy)butoxymethyl]oxirane Chemical compound C1OC1COCCCCOCC1CO1 SHKUUQIDMUMQQK-UHFFFAOYSA-N 0.000 claims abstract description 4
- -1 aliphatic amines Chemical class 0.000 claims description 26
- 150000003335 secondary amines Chemical class 0.000 claims description 20
- 150000001412 amines Chemical group 0.000 claims description 19
- 239000011148 porous material Substances 0.000 claims description 15
- 150000002118 epoxides Chemical class 0.000 claims description 13
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 12
- 125000004432 carbon atom Chemical group C* 0.000 claims description 9
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 9
- 125000000217 alkyl group Chemical group 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 5
- 230000036619 pore blockages Effects 0.000 claims description 5
- 238000005549 size reduction Methods 0.000 claims description 5
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 4
- 229920002302 Nylon 6,6 Polymers 0.000 claims description 3
- 150000003141 primary amines Chemical class 0.000 claims 3
- DJZKNOVUNYPPEE-UHFFFAOYSA-N tetradecane-1,4,11,14-tetracarboxamide Chemical compound NC(=O)CCCC(C(N)=O)CCCCCCC(C(N)=O)CCCC(N)=O DJZKNOVUNYPPEE-UHFFFAOYSA-N 0.000 claims 1
- 239000012498 ultrapure water Substances 0.000 abstract description 9
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical group OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 abstract 1
- 210000004379 membrane Anatomy 0.000 description 113
- 238000012360 testing method Methods 0.000 description 22
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 12
- 125000002924 primary amino group Chemical class [H]N([H])* 0.000 description 12
- 239000000356 contaminant Substances 0.000 description 11
- 238000011282 treatment Methods 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 9
- 230000004048 modification Effects 0.000 description 8
- 238000012986 modification Methods 0.000 description 8
- 239000000975 dye Substances 0.000 description 7
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 6
- 238000001035 drying Methods 0.000 description 6
- 238000002834 transmittance Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical class C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 description 4
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000000274 adsorptive effect Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 125000001424 substituent group Chemical group 0.000 description 3
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 2
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229920013683 Celanese Polymers 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 125000000129 anionic group Chemical group 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- BTCSSZJGUNDROE-UHFFFAOYSA-N gamma-aminobutyric acid Chemical compound NCCCC(O)=O BTCSSZJGUNDROE-UHFFFAOYSA-N 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- NYGZLYXAPMMJTE-UHFFFAOYSA-M metanil yellow Chemical compound [Na+].[O-]S(=O)(=O)C1=CC=CC(N=NC=2C=CC(NC=3C=CC=CC=3)=CC=2)=C1 NYGZLYXAPMMJTE-UHFFFAOYSA-M 0.000 description 2
- 229940051142 metanil yellow Drugs 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000003495 polar organic solvent Substances 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 150000003512 tertiary amines Chemical group 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 230000001988 toxicity Effects 0.000 description 2
- 231100000419 toxicity Toxicity 0.000 description 2
- DNIAPMSPPWPWGF-VKHMYHEASA-N (+)-propylene glycol Chemical compound C[C@H](O)CO DNIAPMSPPWPWGF-VKHMYHEASA-N 0.000 description 1
- OGNSCSPNOLGXSM-UHFFFAOYSA-N (+/-)-DABA Natural products NCCC(N)C(O)=O OGNSCSPNOLGXSM-UHFFFAOYSA-N 0.000 description 1
- YPFDHNVEDLHUCE-UHFFFAOYSA-N 1,3-propanediol Substances OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 1
- 229940035437 1,3-propanediol Drugs 0.000 description 1
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 description 1
- GQWWGRUJOCIUKI-UHFFFAOYSA-N 2-[3-(2-methyl-1-oxopyrrolo[1,2-a]pyrazin-3-yl)propyl]guanidine Chemical group O=C1N(C)C(CCCN=C(N)N)=CN2C=CC=C21 GQWWGRUJOCIUKI-UHFFFAOYSA-N 0.000 description 1
- GVNWZKBFMFUVNX-UHFFFAOYSA-N Adipamide Chemical compound NC(=O)CCCCC(N)=O GVNWZKBFMFUVNX-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 125000006295 amino methylene group Chemical group [H]N(*)C([H])([H])* 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-M bisulphate group Chemical group S([O-])(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-M 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000012632 extractable Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 229960003692 gamma aminobutyric acid Drugs 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 239000003906 humectant Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 231100000989 no adverse effect Toxicity 0.000 description 1
- 239000012457 nonaqueous media Substances 0.000 description 1
- 230000002572 peristaltic effect Effects 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000867 polyelectrolyte Polymers 0.000 description 1
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 239000001043 yellow dye Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0093—Chemical modification
- B01D67/00931—Chemical modification by introduction of specific groups after membrane formation, e.g. by grafting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/56—Polyamides, e.g. polyester-amides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/30—Cross-linking
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Transplantation (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Epoxy Resins (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US268,543 | 1981-05-29 | ||
| US06/268,543 US4473475A (en) | 1981-05-29 | 1981-05-29 | Charge modified microporous membrane, process for charge modifying said membrane, and process for filtration of fluids |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1166411A true CA1166411A (en) | 1984-05-01 |
Family
ID=23023452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000404133A Expired CA1166411A (en) | 1981-05-29 | 1982-05-31 | Charge modified microporous membrane, process for charge modifying said membrane, and process for filtration of fluids |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4473475A (de) |
| EP (1) | EP0066814B1 (de) |
| JP (1) | JPS5932490B2 (de) |
| AU (1) | AU8420082A (de) |
| BR (1) | BR8203104A (de) |
| CA (1) | CA1166411A (de) |
| DE (2) | DE66814T1 (de) |
| IE (1) | IE53424B1 (de) |
| MX (1) | MX168396B (de) |
Families Citing this family (50)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4708803A (en) * | 1980-10-27 | 1987-11-24 | Cuno Incorporated | Liquid filtration using hydrophilic cationic isotropic microporous nylon membrane |
| US4737291A (en) * | 1981-05-29 | 1988-04-12 | Cuno Incorporated | Charge modified microporous membrane |
| US4707265A (en) * | 1981-12-18 | 1987-11-17 | Cuno Incorporated | Reinforced microporous membrane |
| US4707266A (en) * | 1982-02-05 | 1987-11-17 | Pall Corporation | Polyamide membrane with controlled surface properties |
| CH656626A5 (fr) * | 1982-02-05 | 1986-07-15 | Pall Corp | Membrane en polyamide, presentant des proprietes de surface controlees, son utilisation et son procede de preparation. |
| US4617124A (en) * | 1982-07-13 | 1986-10-14 | Pall Corporation | Polymeric microfibrous filter sheet, preparation and use |
| CH660852A5 (de) * | 1982-11-23 | 1987-05-29 | Aligena Ag | Dynamische membranen, die sich als duenne polymerschichten auf poroesen, polymeren traegermaterialien befinden. |
| IL70415A (en) * | 1982-12-27 | 1987-07-31 | Aligena Ag | Semipermeable encapsulated membranes,their manufacture and their use |
| US4512896A (en) * | 1983-02-07 | 1985-04-23 | Yale University | Transfer of macromolecules from a chromatographic substrate to an immobilizing matrix |
| EP0343387B1 (de) * | 1983-02-07 | 1994-06-01 | Yale University | Übertragung von Makromolekülen von einem chromatographischen Substrat zu einer immobilisierenden Matrize |
| US4888115A (en) * | 1983-12-29 | 1989-12-19 | Cuno, Incorporated | Cross-flow filtration |
| US4604208A (en) * | 1983-12-29 | 1986-08-05 | Chaokang Chu | Liquid filtration using an anionic microporous membrane |
| EP0167573A4 (de) * | 1983-12-29 | 1988-05-02 | Amf Inc | Von last modifizierte hohlröhre. |
| US4634426A (en) * | 1984-12-11 | 1987-01-06 | Baxter Travenol Laboratories | Medical infusion controller and user interface |
| US4595976A (en) * | 1984-12-27 | 1986-06-17 | Sundstrand Corporation | Inverter control |
| US4980067A (en) * | 1985-07-23 | 1990-12-25 | Cuno, Inc. | Polyionene-transformed microporous membrane |
| US4761232A (en) * | 1986-03-07 | 1988-08-02 | Porex Technologies Corp. Of Georgia | Macroporous substrate containing microporous matrix |
| US4702947A (en) * | 1986-04-01 | 1987-10-27 | Pall Corporation | Fibrous structure and method of manufacture |
| DK169616B1 (da) * | 1986-08-27 | 1994-12-27 | Dow Danmark | Permeabel, porøs, polymerbehandlet plastmembran med hydrofil karakter, fremgangsmåder til fremstilling heraf samt anvendelse heraf |
| US4787980A (en) * | 1986-10-01 | 1988-11-29 | Monsanto Company | Ultra pure water system monitoring |
| US4906374A (en) * | 1986-12-23 | 1990-03-06 | Pall Corporation | Filtration media with low protein adsorbability |
| US5114585A (en) * | 1988-03-01 | 1992-05-19 | Gelman Sciences, Inc. | Charged porous filter |
| US4959150A (en) * | 1988-09-26 | 1990-09-25 | Pall Corporation | Fluid treatment system having low affinity for proteinaceous materials |
| US4981591A (en) * | 1989-04-07 | 1991-01-01 | Cuno, Incorporated | Cationic charge modified filter media |
| US5085780A (en) * | 1989-04-07 | 1992-02-04 | Cuno, Incorporated | Use of cationic charge modified filter media |
| US5085784A (en) * | 1989-04-07 | 1992-02-04 | Cuno, Incorporated | Use of cationic charge modified filter media |
| US5151189A (en) * | 1990-09-17 | 1992-09-29 | Gelman Sciences, Inc. | Cationic charge modified microporous membrane |
| US5531893A (en) * | 1993-02-12 | 1996-07-02 | Gelman Sciences Inc. | Inter-penetrating network charge modified microporous membrane |
| US5277812A (en) * | 1993-02-12 | 1994-01-11 | Gelman Sciences Inc. | Inter-penetrating network charge modified microporous membrane |
| US6413070B1 (en) * | 1997-04-11 | 2002-07-02 | Cuno Incorporated | System for manufacturing reinforced three-zone microporous membrane |
| US6264044B1 (en) | 1997-04-11 | 2001-07-24 | Cuno, Inc. | Reinforced, three zone microporous membrane |
| US6090441A (en) * | 1998-03-18 | 2000-07-18 | Cuno, Inc. | Process of making reinforced, three zone microporous membrane |
| US6280791B1 (en) | 1997-04-11 | 2001-08-28 | Cuno, Inc. | Process of making a three-region reinforced microporous filtration membrane |
| US6537614B1 (en) | 1998-12-18 | 2003-03-25 | Kimberly-Clark Worldwide, Inc. | Cationically charged coating on hydrophobic polymer fibers with poly (vinyl alcohol) assist |
| US6274041B1 (en) | 1998-12-18 | 2001-08-14 | Kimberly-Clark Worldwide, Inc. | Integrated filter combining physical adsorption and electrokinetic adsorption |
| US6280853B1 (en) | 1999-06-10 | 2001-08-28 | The Dow Chemical Company | Composite membrane with polyalkylene oxide modified polyamide surface |
| US6645388B2 (en) | 1999-12-22 | 2003-11-11 | Kimberly-Clark Corporation | Leukocyte depletion filter media, filter produced therefrom, method of making same and method of using same |
| US20020179521A1 (en) * | 2000-06-05 | 2002-12-05 | Paul C. Thomas | Expansion resistant filter cartridge |
| US6890483B2 (en) * | 2000-07-05 | 2005-05-10 | Cuno Incorporated | Non-luminescent substrate |
| WO2002002585A2 (en) | 2000-07-05 | 2002-01-10 | Cuno, Inc. | Low fluorescence nylon/glass composites for microdiagnostics |
| US20030219816A1 (en) * | 2001-07-02 | 2003-11-27 | Keith Solomon | Composite microarray slides |
| US20040206694A1 (en) * | 2003-04-16 | 2004-10-21 | John Charkoudian | Epoxide-crosslinked, charged cellulosic membrane |
| CN100586876C (zh) * | 2007-08-08 | 2010-02-03 | 中国科学院地球化学研究所 | 一种净化水质的设备 |
| DE102009056883B4 (de) | 2009-12-03 | 2012-08-16 | Novartis Ag | Impfstoff-Adjuvantien und verbesserte Verfahren zur Herstellung derselben |
| JP5754860B2 (ja) | 2009-12-03 | 2015-07-29 | ノバルティス アーゲー | ワクチンアジュバントの製造の間の親水性濾過 |
| DE102009056871A1 (de) | 2009-12-03 | 2011-06-22 | Novartis AG, 4056 | Impfstoff-Adjuvantien und verbesserte Verfahren zur Herstellung derselben |
| DE102009056884B4 (de) | 2009-12-03 | 2021-03-18 | Novartis Ag | Impfstoff-Adjuvantien und verbesserte Verfahren zur Herstellung derselben |
| WO2011067672A2 (en) | 2009-12-03 | 2011-06-09 | Novartis Ag | Arranging interaction and back pressure chambers for microfluidization |
| US8895629B2 (en) | 2009-12-03 | 2014-11-25 | Novartis Ag | Circulation of components during homogenization of emulsions |
| CN104226128B (zh) * | 2014-09-12 | 2016-02-24 | 浙江大学 | 一种在分离膜表面构造两性离子结构的方法及分离膜 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2782884A (en) * | 1952-01-31 | 1957-02-26 | Daimler Benz Ag | Detachable joint means for rigidly connecting an implement to a tractor |
| US3152061A (en) * | 1959-12-15 | 1964-10-06 | Asahi Garasu Kabushiki Kaisha | Permselective cationic membrane and process for producing the same |
| US3472766A (en) * | 1968-01-10 | 1969-10-14 | Dow Chemical Co | Separatory process utilizing a permeable polyamide membrane having poly (oxyethylene) grafts |
| US3642668A (en) * | 1969-01-03 | 1972-02-15 | Polaroid Corp | Microporous vinylidene fluoride polymer and process of making same |
| US3567631A (en) * | 1969-07-22 | 1971-03-02 | Hercules Inc | Reverse osmosis membranes from polymeric epoxides |
| US3876738A (en) * | 1973-07-18 | 1975-04-08 | Amf Inc | Process for producing microporous films and products |
| US3892665A (en) * | 1973-10-15 | 1975-07-01 | Standard Oil Co | Membrane method and product |
| JPS5344155B2 (de) * | 1974-05-29 | 1978-11-27 | ||
| US4265745A (en) * | 1977-05-25 | 1981-05-05 | Teijin Limited | Permselective membrane |
| US4125462A (en) * | 1977-08-30 | 1978-11-14 | Rohm And Haas Company | Coated membranes |
| US4259183A (en) * | 1978-11-07 | 1981-03-31 | Midwest Research Institute | Reverse osmosis membrane |
| CA1148872A (en) * | 1979-04-06 | 1983-06-28 | Eugene A. Ostreicher | Filter with inorganic cationic colloidal silica |
| DE2950623A1 (de) * | 1979-12-15 | 1981-06-19 | Toray Industries, Inc., Tokyo | Semipermeable zusammengesetzte membran und verfahren zu deren herstellung |
| JPS5695304A (en) * | 1979-12-28 | 1981-08-01 | Teijin Ltd | Perm selective composite membrane and its production |
| JPS6332093B2 (de) * | 1980-10-27 | 1988-06-28 | Kyuno Inc |
-
1981
- 1981-05-29 US US06/268,543 patent/US4473475A/en not_active Expired - Lifetime
-
1982
- 1982-05-26 AU AU84200/82A patent/AU8420082A/en not_active Abandoned
- 1982-05-27 BR BR8203104A patent/BR8203104A/pt unknown
- 1982-05-27 MX MX192891A patent/MX168396B/es unknown
- 1982-05-28 IE IE1282/82A patent/IE53424B1/en not_active IP Right Cessation
- 1982-05-28 JP JP57091126A patent/JPS5932490B2/ja not_active Expired
- 1982-05-28 DE DE198282104728T patent/DE66814T1/de active Pending
- 1982-05-28 EP EP82104728A patent/EP0066814B1/de not_active Expired
- 1982-05-28 DE DE8282104728T patent/DE3262766D1/de not_active Expired
- 1982-05-31 CA CA000404133A patent/CA1166411A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AU8420082A (en) | 1982-12-02 |
| IE821282L (en) | 1982-11-29 |
| US4473475A (en) | 1984-09-25 |
| EP0066814B1 (de) | 1985-03-27 |
| JPS5932490B2 (ja) | 1984-08-09 |
| DE66814T1 (de) | 1983-04-28 |
| DE3262766D1 (en) | 1985-05-02 |
| BR8203104A (pt) | 1983-05-10 |
| JPS57202330A (en) | 1982-12-11 |
| EP0066814A1 (de) | 1982-12-15 |
| MX168396B (es) | 1993-05-21 |
| IE53424B1 (en) | 1988-11-09 |
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